Sarcoma refers to a broad group of cancers that start in the bones and soft tissues. Soft tissues connect, support and surround other body structures. Soft tissues include muscle, fat, blood vessels, nerves, tendons and the lining of the joints. Cancer that starts in the soft tissue is called soft tissue sarcoma.
There are many types of sarcomas. They can happen in many parts of the body. Treatment for sarcoma varies depending on sarcoma type, where it is and other factors.